CVE-2019-16921

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive information from kernel stack memory, aka CID-df7e40425813.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-665

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e40425813c50cd252e6f5e348a81ef1acae56Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56Patch, Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e40425813c50cd252e6f5e348a81ef1acae56Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56Patch, Third Party Advisory

Timeline

Published: Sep 27, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

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